John A. Sweeney
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View article: Psychostimulant treatment uniquely reduces left uncinate fasciculus microstructural integrity in <scp>ADHD</scp> youth with a familial risk for bipolar I disorder: a 12‐week <scp>DTI</scp> study
Psychostimulant treatment uniquely reduces left uncinate fasciculus microstructural integrity in <span>ADHD</span> youth with a familial risk for bipolar I disorder: a 12‐week <span>DTI</span> study Open
Background Bipolar I disorder (BD) is associated with reduced white matter microstructural integrity in the uncinate fasciculus (UF), a primary fiber tract connecting frontolimbic systems. Although familial history for BD, attention‐defici…
View article: Different Changes in Brain Functional Networks Following 12-Week Psychostimulant Treatment in Attention-Deficit/Hyperactivity Disorder Youth With and Without Familial Risk for Bipolar I Disorder
Different Changes in Brain Functional Networks Following 12-Week Psychostimulant Treatment in Attention-Deficit/Hyperactivity Disorder Youth With and Without Familial Risk for Bipolar I Disorder Open
Neuroimaging Study of Risk Factors for Adolescent Bipolar Disorder (NERF); https://clinicaltrials.gov/study/NCT02478788.
View article: Frontal cortex hyperactivation and gamma desynchrony in Fragile X syndrome: Correlates of auditory hypersensitivity
Frontal cortex hyperactivation and gamma desynchrony in Fragile X syndrome: Correlates of auditory hypersensitivity Open
Fragile X syndrome (FXS) is an X-linked disorder that often leads to intellectual disability, anxiety, and sensory hypersensitivity. While sound sensitivity (hyperacusis) is a distressing symptom in FXS, its neural basis is not well unders…
View article: Corrigendum: Cerebellar volumes and sensorimotor behavior in autism spectrum disorder
Corrigendum: Cerebellar volumes and sensorimotor behavior in autism spectrum disorder Open
[This corrects the article DOI: 10.3389/fnint.2022.821109.].
View article: Auditory steady-state response deficits in Fragile X Syndrome implicate deficits in stimulus representation maintenance and GABAergic modulation
Auditory steady-state response deficits in Fragile X Syndrome implicate deficits in stimulus representation maintenance and GABAergic modulation Open
Background Fragile X Syndrome (FXS) is a rare, neurodevelopmental disorder caused by a mutation to the Fragile X messenger ribonucleoprotein 1 ( Fmr1 ) gene and characterized by sensory processing abnormalities and sensitivities, including…
View article: Validating brain activity measures as reliable indicators of individual diagnostic group and genetically mediated sub-group membership in Fragile X Syndrome
Validating brain activity measures as reliable indicators of individual diagnostic group and genetically mediated sub-group membership in Fragile X Syndrome Open
Recent failures translating preclinical behavioral treatment effects to positive clinical trial results in humans with Fragile X Syndrome (FXS) support refocusing attention on biological pathways and associated measures, such as electroenc…
View article: Body Satisfaction, Exercise Dependence, and White Matter Microstructure in Young Adults
Body Satisfaction, Exercise Dependence, and White Matter Microstructure in Young Adults Open
Background Self‐body satisfaction is considered a psychological factor for exercise dependence (EXD). However, the potential neuropsychological mechanisms underlying this association remain unclear. Purpose To investigate the role of white…
View article: Frontal Cortex Hyperactivation and Gamma Desynchrony in Fragile X Syndrome: Correlates of Auditory Hypersensitivity
Frontal Cortex Hyperactivation and Gamma Desynchrony in Fragile X Syndrome: Correlates of Auditory Hypersensitivity Open
Fragile X syndrome (FXS) is an X-linked disorder that often leads to intellectual disability, anxiety, and sensory hypersensitivity. While sound sensitivity (hyperacusis) is a distressing symptom in FXS, its neural basis is not well unders…
View article: Accelerated Theta Burst Transcranial Magnetic Stimulation for Refractory Depression in Autism Spectrum Disorder
Accelerated Theta Burst Transcranial Magnetic Stimulation for Refractory Depression in Autism Spectrum Disorder Open
Purpose Major depressive disorder (MDD) disproportionately affects those living with autism spectrum disorder (ASD) and is associated with significant impairment and treatment recidivism. Methods We studied the use of accelerated theta bur…
View article: Enlarged pituitary gland volume: a possible state rather than trait marker of psychotic disorders
Enlarged pituitary gland volume: a possible state rather than trait marker of psychotic disorders Open
Background Enlarged pituitary gland volume could be a marker of psychotic disorders. However, previous studies report conflicting results. To better understand the role of the pituitary gland in psychosis, we examined a large transdiagnost…
View article: Pons-to-Cerebellum Hypoconnectivity Along the Psychosis Spectrum and Associations With Sensory Prediction and Hallucinations in Schizophrenia
Pons-to-Cerebellum Hypoconnectivity Along the Psychosis Spectrum and Associations With Sensory Prediction and Hallucinations in Schizophrenia Open
Deficient pons-to-cerebellum connectivity linked sensory prediction network breakdowns with perceptual abnormalities in schizophrenia. Findings highlight shared features and clinical heterogeneity across the psychosis spectrum.
View article: Validating brain activity measures as reliable indicators of individual diagnostic group and genetically mediated sub-group membership Fragile X Syndrome
Validating brain activity measures as reliable indicators of individual diagnostic group and genetically mediated sub-group membership Fragile X Syndrome Open
Recent failures translating preclinical behavioral treatment effects to positive clinical trial results in humans with Fragile X Syndrome (FXS) support refocusing attention on biological pathways and associated measures, such as electroenc…
View article: Aberrant brain network topology in youth with a familial risk for bipolar disorder: a task‐based <scp>fMRI</scp> connectome study
Aberrant brain network topology in youth with a familial risk for bipolar disorder: a task‐based <span>fMRI</span> connectome study Open
Background Youth with a family history of bipolar disorder (BD) may be at increased risk for mood disorders and for developing side effects after antidepressant exposure. The neurobiological basis of these risks remains poorly understood. …
View article: ACNP 62nd Annual Meeting: Poster Abstracts P501 – P753
ACNP 62nd Annual Meeting: Poster Abstracts P501 – P753 Open
Background: Negative symptoms of schizophrenia often involve difficulty orienting behavior toward long-term goals.These and other negative symptoms are typically stable over time and contribute to disability.However, no effective treatment…
View article: The acute effects of repetitive transcranial magnetic stimulation on laminar diffusion anisotropy of neocortical gray matter
The acute effects of repetitive transcranial magnetic stimulation on laminar diffusion anisotropy of neocortical gray matter Open
Repetitive transcranial magnetic stimulation (rTMS) is increasingly used to treat neuropsychiatric disorders. Inhibitory and excitatory regimens have been both adopted but the exact mechanism of action remains unclear, and investigating th…